y^4+3y^2+1=0

Simple and best practice solution for y^4+3y^2+1=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for y^4+3y^2+1=0 equation:


Simplifying
y4 + 3y2 + 1 = 0

Reorder the terms:
1 + 3y2 + y4 = 0

Solving
1 + 3y2 + y4 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 3y2 + -1 + y4 = 0 + -1

Reorder the terms:
1 + -1 + 3y2 + y4 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 3y2 + y4 = 0 + -1
3y2 + y4 = 0 + -1

Combine like terms: 0 + -1 = -1
3y2 + y4 = -1

The y term is 3y2.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3y2 + 2.25 + y4 = -1 + 2.25

Reorder the terms:
2.25 + 3y2 + y4 = -1 + 2.25

Combine like terms: -1 + 2.25 = 1.25
2.25 + 3y2 + y4 = 1.25

Factor a perfect square on the left side:
(y2 + 1.5)(y2 + 1.5) = 1.25

Calculate the square root of the right side: 1.118033989

Break this problem into two subproblems by setting 
(y2 + 1.5) equal to 1.118033989 and -1.118033989.

Subproblem 1

y2 + 1.5 = 1.118033989 Simplifying y2 + 1.5 = 1.118033989 Reorder the terms: 1.5 + y2 = 1.118033989 Solving 1.5 + y2 = 1.118033989 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + y2 = 1.118033989 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + y2 = 1.118033989 + -1.5 y2 = 1.118033989 + -1.5 Combine like terms: 1.118033989 + -1.5 = -0.381966011 y2 = -0.381966011 Simplifying y2 = -0.381966011 Reorder the terms: 0.381966011 + y2 = -0.381966011 + 0.381966011 Combine like terms: -0.381966011 + 0.381966011 = 0.000000000 0.381966011 + y2 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined.

Subproblem 2

y2 + 1.5 = -1.118033989 Simplifying y2 + 1.5 = -1.118033989 Reorder the terms: 1.5 + y2 = -1.118033989 Solving 1.5 + y2 = -1.118033989 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + y2 = -1.118033989 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + y2 = -1.118033989 + -1.5 y2 = -1.118033989 + -1.5 Combine like terms: -1.118033989 + -1.5 = -2.618033989 y2 = -2.618033989 Simplifying y2 = -2.618033989 Reorder the terms: 2.618033989 + y2 = -2.618033989 + 2.618033989 Combine like terms: -2.618033989 + 2.618033989 = 0.000000000 2.618033989 + y2 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| =0.01 | | 0.025x^4=0 | | 7x=3x+11 | | 1/2y^2=y-1/2 | | 9*4.38= | | X(6x+2)=3 | | x-(3-6x)-(12x-9)=x+15 | | X^3+x^2-2x+4=0 | | x*x*(0.5x+1)*(0.05x+1)=0 | | 3(2m+1)=9 | | 2+x-(x+3)=12 | | 15=2x+50 | | cos(45+x)= | | x^5-6x^4+9x^3=1 | | 5-3c=1-c | | -4x-3=2x-21 | | 2x^3+3x^2-52x=0 | | 6x+9y=130 | | 1V=10000000000000000000000000000000000000009988877888888999999999888777766665556677788888999099777*4456667777776666788888877777666654444445555666666655566666666665655 | | sqrt(x+6)=x^2+4x | | 0=6.5-3*x | | 2+5=12 | | 6/x=9/x-1/11 | | 9y+17=26 | | 47x=25 | | 4x-12=-6x-2 | | f(x)=1+cosx | | 7*(x+3)-2*(x-5)=8 | | 3p-(3/8p)=2 | | x^3-9x^2-4x=0 | | 3p-3/8p=2 | | 3x^2+30y+78=0 |

Equations solver categories